def __init__(self, address, interface, name, database):

        super(RelayDriveModule, self).__init__(address, interface, name, database)

    def send_message(self, message):

        self.interface.network.send_message(message)

    def receive_message(self, message):

        self.logger.debug("Receive message! From: " + self.name)

        self.database.log_message(self.name, message)

    def update(self):

        pass

    def config(self, data_key, sensor_num, value):

        message = HydroBotMessage(self.uuid, (0x80 | protocol.lookup_command_key_by_name("config")), protocol.lookup_data_key_by_name(data_key), sensor_num, value)

        self.interface.send_message(message)

    def set_output(self, output, value):

        message = HydroBotMessage(self.uuid, (0x80 | protocol.lookup_command_key_by_name("set_output")), protocol.lookup_data_key_by_name("digital_out"), int(output), value)

        self.send_message(message)

        self.database.log_message(self.name, message)

class UnknownModule(Module):

    def __init__(self, address, interface, name, database):

        super(UnknownModule, self).__init__(address, interface, name, database)

    def send_message(self, message):

        pass

    def receive_message(self, message):

        self.logger.debug("Receive message! From: " + self.name)

    def update(self):

        pass

    def config(self, data_key, sensor_num, value):

        message = HydroBotMessage(self.uuid, (0x80 | protocol.lookup_command_key_by_name("config")), protocol.lookup_data_key_by_name(data_key), sensor_num, value)

        self.interface.send_message(message)

import json

_protocol_def = None

with open('hydrobot_def.json') as def_file:

    _protocol_def = json.load(def_file)

def lookup_device_name_by_id(id):

    devices = _protocol_def['devices']

    for device in devices:

            return device.get('name')

def lookup_device_id_by_name(name):

    devices = _protocol_def['devices']

    for device in devices:

        if device.get('name') == name:

            return int(device.get('id'), 16)

def lookup_device_display_by_id(id):

    devices = _protocol_def['devices']

    for device in devices:

            return device.get('display')

def lookup_device_class_by_id(id):

    devices = _protocol_def['devices']

    for device in devices:

            return device.get('class')

def lookup_device_display_by_name(name):

    devices = _protocol_def['devices']

    for device in devices:

        if device.get('name') == name:

            return device.get('display')

def lookup_data_name_by_key(key):

    data_keys = _protocol_def['data_keys']

    for data_key in data_keys:

            return data_key.get('name')

def lookup_data_key_by_name(name):

    data_keys = _protocol_def['data_keys']

    for data_key in data_keys:

        if data_key.get('name') == name:

            return int(data_key.get('key'), 16)

def lookup_data_display_by_key(key):

    data_keys = _protocol_def['data_keys']

    for data_key in data_keys:

            return data_key.get('display')

def lookup_command_name_by_key(key):

    commands = _protocol_def['command_keys']

    for command in commands:

            return command.get('name')

def lookup_command_key_by_name(name):

    commands = _protocol_def['command_keys']

    for command in commands:

        if command.get('name') == name:

            return int(command.get('key'), 16)

def lookup_command_display_by_key(key):

    commands = _protocol_def['command_keys']

    for command in commands:

            return command.get('display')

def lookup_sensors_by_device_name(name):

    devices = _protocol_def['devices']

    for device in devices:

        if device.get('name') == name:

            return device.get('sensors')